linux-kernel - Re: Clang arm64 build is broken

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Message-ID: <8b3e95df-a429-2f84-565c-3caed8e30e28@arm.com>
Date:   Fri, 20 Apr 2018 17:36:22 +0100
From:   Marc Zyngier <marc.zyngier@....com>
To:     Nick Desaulniers <ndesaulniers@...gle.com>
Cc:     Andrey Konovalov <andreyknvl@...gle.com>,
        Christoffer Dall <christoffer.dall@...aro.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will.deacon@....com>,
        linux-arm-kernel@...ts.infradead.org, kvmarm@...ts.cs.columbia.edu,
        LKML <linux-kernel@...r.kernel.org>,
        Kostya Serebryany <kcc@...gle.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Alexander Potapenko <glider@...gle.com>
Subject: Re: Clang arm64 build is broken

On 20/04/18 17:30, Nick Desaulniers wrote:
> On Fri, Apr 20, 2018 at 1:13 AM Marc Zyngier <marc.zyngier@....com> wrote:
>> Clang isn't
>> really supported to build the arm64 kernel anyway
> 
> Can you expand on this?  There are millions of arm64 devices shipping with
> Clang built Linux kernels.

How many of these devices run a full-featured mainline kernel?

Sure, Android is building the kernel with clang, but that's with a pile
of out of tree patches. At that point, I'm not sure we're talking about
the same arm64 kernel.

Thanks,

	M.
-- 
Jazz is not dead. It just smells funny...